455
CDCA42 TJSJ 280901
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
501 AM AST MON SEP 28 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 27 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 11:26 AM 94 2015 89 1 89
MINIMUM 80 7:16 AM 70 1949 77 3 77
AVERAGE 85 83 2 83
PRECIPITATION (IN)
YESTERDAY 0.42 2.32 1932 0.20 0.22 0.50
MONTH TO DATE 6.77 5.92 0.85 6.53
SINCE SEP 1 6.77 5.92 0.85 6.53
SINCE JAN 1 31.70 41.86 -10.16 50.15
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 20 18 2 18
MONTH TO DATE 534 486 48 511
SINCE SEP 1 534 486 48 511
SINCE JAN 1 4652 4297 355 4556
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WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 63
AVERAGE 76
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2013
2025
MINIMUM TEMPERATURE (F) 77 69 1920
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 6:14 AM AST SUNSET 6:15 PM AST
SEPTEMBER 29 2026.....SUNRISE 6:14 AM AST SUNSET 6:14 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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